Silhouette of windmill at sunset, Oia, Santorini (Thira), Cyclades islands, Greece, Mediterranean, Europe

architecture building exterior contrasts cyclades day daytime dusk eu eu europe european european union evening exteriors generic location greece greek greek islands mediterranean mill natural phenomena night nighttime oia outdoors outside santorini shapes silhouette silhouettes single object skies south east europe southern european sunset sunsets thira travel travel destinations windmill windmills factory sundown